Glee Exclusive: Check Out The Show's 'Surprising' New Look! Plus - First Photos From Next Ep!

GLEE: Unique (Alex Newell) performs in the "Sadie Hawkins" episode of GLEE airing Thursday, Jan. 24 (9:00-10:00 PM ET/PT) on FOX. ©2013 Fox Broadcasting Co. CR: Eddy Chen/FOX

GLEE: The boys perform in the "Sadie Hawkins" episode of GLEE airing Thursday, Jan. 24 (9:00-10:00 PM ET/PT) on FOX. Pictured L-R: Blake Jenner, Darren Criss, Kevin McHale, Chord Overstreet and Samuel Larsen. ©2013 Fox Broadcasting Co. CR: Eddy Chen/FOX

GLEE: Tina (Jenna Ushkowitz, R) asks one of the glee club members to the school dance in the "Sadie Hawkins" episode of GLEE airing Thursday, Jan. 24 (9:00-10:00 PM ET/PT) on FOX. Also pictured: L-R: Cory Monteith, Chord Overstreet, Kevin McHale, Darren Criss, Melissa Benoist, Blake Jenner, Alex Newell and Heather Morris. ©2013 Fox Broadcasting Co. CR: Eddy Chen/FOX

GLEE: Tina (Jenna Ushkowitz, L) asks a glee club member to the school dance in the "Sadie Hawkins" episode of GLEE airing Thursday, Jan. 24 (9:00-10:00 PM ET/PT) on FOX. ©2013 Fox Broadcasting Co. CR: Eddy Chen/FOX